A big thanks to wolfgirl1826 for providing us with the answers!
What number is on the hallway wall? 32.
What animal is pictured on the painting on the wall? A horse.
How many people are shown in the photo in the middle? 2.
How many glasses are visible in this image? One.
What is the man in the background holding? A shopping Bag.
What is subject of the statue on the top of the bookcase? A Man.
What is hanging on the wall to Clouseau’s right? A Lamp.
What color are the chairs in front of Clouseau? Blue.
What color is Lt. Dreyfus’ shirt? Blue.
How many tripods are visible in the picture? Three.